CVE-2026-31050 Details
Description
Cross Site Scripting vulnerability in Hostbill v.2025-11-24 and 2025-12-01 allows a remote attacker to execute arbitrary code
A stored cross-site scripting vulnerability has been identified in HostBill versions through 2025-12-01. This vulnerability allows remote attackers to inject malicious JavaScript payloads that are executed in the context of users who view the affected content. The issue arises from inadequate input validation and output encoding, enabling the injection of arbitrary scripts into various components of the application, including knowledge base articles, support ticket department names, and contract fields.
Users are advised to update HostBill to the latest version.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Apr 24, 2026CISA-ADP
Assessed Apr 24, 2026References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/Muhammad5235/HostBill-CVEs-2025/blob/main/Stored%20Cross-Site%20Scripting%20%28XSS%29%20Vulnerability/admin%20and%20client%20interfaces | CISA-ADP | ExploitTechnical Description |
| https://blog.hostbillapp.com/2025/12/03/hostbill-security-advisory/ | [email protected] | AdvisoryRemedyVendor |
| https://github.com/Muhammad5235/HostBill-CVEs-2025/blob/main/Stored%20Cross-Site%20Scripting%20%28XSS%29%20Vulnerability/admin%20and%20client%20interfaces | [email protected] | ExploitTechnical Description |
| https://hostbillapp.com/changelog | [email protected] | Release NotesVendor |
| https://hostbillapp.com/release-notes/11-27-2025.html | [email protected] | Release NotesVendor |
| https://hostbillapp.com/release-notes/12-01-2025.html | [email protected] | Release NotesVendor |
| https://hostbillapp.com/responsible-disclosure | [email protected] | Vendor |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-79 | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | CISA-ADP |
Affected Products
| Product | Versions |
|---|---|
| HostBill | 2025-11-24 2025-12-01 |
CPE
Remediation
| |
Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Apr 24, 2026 | CVE Modified | CISA-ADP |
| Apr 24, 2026 | New CVE Received | [email protected] |